19688674070 has 48 divisors (see below), whose sum is σ = 38630081952. Its totient is φ = 7221427200.

The previous prime is 19688674039. The next prime is 19688674079. The reversal of 19688674070 is 7047688691.

It is a junction number, because it is equal to n+sod(n) for n = 19688673997 and 19688674015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19688674079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216614 + ... + 293766.

It is an arithmetic number, because the mean of its divisors is an integer number (804793374).

Almost surely, 2^19688674070 is an apocalyptic number.

19688674070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19688674070 is a deficient number, since it is larger than the sum of its proper divisors (18941407882).

19688674070 is a wasteful number, since it uses less digits than its factorization.

19688674070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77337 (or 77324 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 19688674070 in words is "nineteen billion, six hundred eighty-eight million, six hundred seventy-four thousand, seventy".